PCF8579T NXP Semiconductors, PCF8579T Datasheet - Page 41
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PCF8579T
Manufacturer Part Number
PCF8579T
Description
Manufacturer
NXP Semiconductors
Datasheet
1.PCF8579T.pdf
(41 pages)
Specifications of PCF8579T
Operating Supply Voltage (typ)
3.3/5V
Operating Temperature (min)
-40C
Operating Temperature (max)
85C
Operating Temperature Classification
Industrial
Package Type
VSO
Pin Count
56
Mounting
Surface Mount
Power Dissipation
400mW
Operating Supply Voltage (min)
2.5V
Operating Supply Voltage (max)
6V
Lead Free Status / Rohs Status
Not Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
PCF8579T
Manufacturer:
PHILIPS/飞利浦
Quantity:
20 000
Company:
Part Number:
PCF8579T/1
Manufacturer:
NXP
Quantity:
550
Company:
Part Number:
PCF8579T/1118
Manufacturer:
NXP
Quantity:
655
NXP Semiconductors
19. Contents
1
2
3
4
5
6
7
7.1
7.2
8
8.1
8.2
8.3
8.4
8.5
8.6
8.6.1
8.6.2
8.6.3
8.6.4
8.6.5
8.6.6
8.6.7
8.7
8.7.1
8.7.2
8.8
8.9
8.9.1
9
10
11
12
13
14
14.1
14.2
14.3
14.4
15
16
17
17.1
17.2
17.3
General description . . . . . . . . . . . . . . . . . . . . . . 1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Ordering information . . . . . . . . . . . . . . . . . . . . . 2
Marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pinning information . . . . . . . . . . . . . . . . . . . . . . 4
Functional description . . . . . . . . . . . . . . . . . . . 7
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 24
Static characteristics. . . . . . . . . . . . . . . . . . . . 25
Dynamic characteristics . . . . . . . . . . . . . . . . . 26
Application information. . . . . . . . . . . . . . . . . . 28
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 33
Soldering of SMD packages . . . . . . . . . . . . . . 36
Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Revision history . . . . . . . . . . . . . . . . . . . . . . . . 39
Legal information. . . . . . . . . . . . . . . . . . . . . . . 40
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 7
Power-on reset . . . . . . . . . . . . . . . . . . . . . . . . . 7
Multiplexed LCD bias generation . . . . . . . . . . . 8
LCD drive mode waveforms . . . . . . . . . . . . . . 10
Timing generator. . . . . . . . . . . . . . . . . . . . . . . 13
Column drivers . . . . . . . . . . . . . . . . . . . . . . . . 13
Characteristics of the I
Bit transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
START and STOP conditions . . . . . . . . . . . . . 13
System configuration . . . . . . . . . . . . . . . . . . . 13
Acknowledge . . . . . . . . . . . . . . . . . . . . . . . . . 13
I
Input filters . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
I
Display RAM . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Data pointer . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Subaddress counter . . . . . . . . . . . . . . . . . . . . 17
Command decoder . . . . . . . . . . . . . . . . . . . . . 17
RAM access . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Display control . . . . . . . . . . . . . . . . . . . . . . . . 23
Introduction to soldering . . . . . . . . . . . . . . . . . 36
Wave and reflow soldering . . . . . . . . . . . . . . . 36
Wave soldering . . . . . . . . . . . . . . . . . . . . . . . . 36
Reflow soldering . . . . . . . . . . . . . . . . . . . . . . . 37
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 40
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
2
2
C-bus controller . . . . . . . . . . . . . . . . . . . . . . 15
C-bus protocol . . . . . . . . . . . . . . . . . . . . . . . 15
2
C-bus . . . . . . . . . . . . . 13
17.4
18
19
Please be aware that important notices concerning this document and the product(s)
described herein, have been included in section ‘Legal information’.
© NXP B.V. 2009.
For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: salesaddresses@nxp.com
LCD column driver for dot matrix graphic displays
Contact information . . . . . . . . . . . . . . . . . . . . 40
Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Document identifier: PCF8579_5
PCF8579
Date of release: 11 May 2009
All rights reserved.